89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/**********************************************************************
|
|
*
|
|
* GEOS - Geometry Engine Open Source
|
|
* http://geos.osgeo.org
|
|
*
|
|
* Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
|
|
* Copyright (C) 2006 Refractions Research Inc.
|
|
* Copyright (C) 2001-2002 Vivid Solutions Inc.
|
|
*
|
|
* This is free software; you can redistribute and/or modify it under
|
|
* the terms of the GNU Lesser General Public Licence as published
|
|
* by the Free Software Foundation.
|
|
* See the COPYING file for more information.
|
|
*
|
|
**********************************************************************
|
|
*
|
|
* Last port: operation/linemerge/EdgeString.java r378 (JTS-1.12)
|
|
*
|
|
**********************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <geos/export.h>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(push)
|
|
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
|
|
#endif
|
|
|
|
// Forward declarations
|
|
namespace geos {
|
|
namespace geom {
|
|
class GeometryFactory;
|
|
class CoordinateSequence;
|
|
class LineString;
|
|
}
|
|
namespace operation {
|
|
namespace linemerge {
|
|
class LineMergeDirectedEdge;
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace geos {
|
|
namespace operation { // geos::operation
|
|
namespace linemerge { // geos::operation::linemerge
|
|
|
|
/**
|
|
* \brief
|
|
* A sequence of LineMergeDirectedEdge forming one of the lines that will
|
|
* be output by the line-merging process.
|
|
*/
|
|
class GEOS_DLL EdgeString {
|
|
private:
|
|
const geom::GeometryFactory* factory;
|
|
std::vector<LineMergeDirectedEdge*> directedEdges;
|
|
std::unique_ptr<geom::CoordinateSequence> getCoordinates() const;
|
|
public:
|
|
/**
|
|
* \brief
|
|
* Constructs an EdgeString with the given factory used to
|
|
* convert this EdgeString to a LineString
|
|
*/
|
|
EdgeString(const geom::GeometryFactory* newFactory);
|
|
|
|
~EdgeString() = default;
|
|
|
|
/**
|
|
* Adds a directed edge which is known to form part of this line.
|
|
*/
|
|
void add(LineMergeDirectedEdge* directedEdge);
|
|
|
|
/**
|
|
* Converts this EdgeString into a LineString.
|
|
*/
|
|
std::unique_ptr<geom::LineString> toLineString() const;
|
|
};
|
|
|
|
} // namespace geos::operation::linemerge
|
|
} // namespace geos::operation
|
|
} // namespace geos
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(pop)
|
|
#endif
|
|
|